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		                        | National Stock Number:
 4730-00-722-4891
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 007224891
 
 Description:
 NUT,TUBE COUPLING
 
 Detail:
 AN INTERNALLY THREADED NUT WHICH HAS EITHER AN INTERNAL SEAT OR SHOULDER AND/OR IS DESIGNED TO BE USED WITH A FERRULE, TO MATE WITH THE SEAT OF AN EXTERNALLY THREADED TUBE FITTING TO FORM A LEAKPROOF CONNECTION. EXCLUDES NUT (1), TUBE COUPLING, REDUCING; AND NUT (1), UNION.
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 Manufacturer Information:
 
 | 10A10073 | 95201 | NAPCO INTERNATIONAL LLC |  | 30571 | 13841 | TIFFIN PARTS, L.L.C. |  | 818-8S | 00624 | EATON AEROQUIP LLC |  | 7744716 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |  | 40F818-8 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION |  | 4792-8 | H2987 | SUN TEST SYSTEMS B.V. |  | AN818-8 | 00624 | EATON AEROQUIP LLC |  | 9100X8 | 01276 | EATON-AEROQUIP INC DIV FLUID CONNECTORS PRODUCTS |  | AN818-8 | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC |  | AN818-8 | 14397 | FABER ENTERPRISES, INC. |  | AN818-8 | 14798 | DESIGNED METAL CONNECTIONS INC |  | 9100X8 | 79470 | DANA CORP WEATHERHEAD DIV |  | AN818 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |  | 818-8S | R1120 | SATAIR A/S |  | AS4841 | 0U583 | SAE INTERNATIONAL |  | SAE-AS4841 | 0U583 | SAE INTERNATIONAL |  | AN818-8 | 22995 | CROWN FITTING CO INC |  | AN818-8 | 32142 | HYDRASEARCH COMPANY, LLC |  | AN818-8 | 71563 | COLLINS ENGINEERING CORP |  | AN818-8 | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM |  | AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | MILF5509 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | AN818-8 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |  | AN818-8 | R1120 | SATAIR A/S | 
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 Techincal Specification:
 
 | THREAD SERIES | UNJF |  | NOMINAL THREAD SIZE | 0.750 INCHES |  | THREAD QUANTITY PER INCH | 16 |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | MATERIAL | STEEL OVERALL |  | SURFACE TREATMENT | CADMIUM AND |  |  | ZINC OVERALL |  | NUT STYLE | TUBE COUPLING |  | NUT HEIGHT | 0.843 INCHES NOMINAL |  | WIDTH ACROSS FLATS | 0.875 INCHES NOMINAL |  | LENGTH TO SHOULDER | 0.723 INCHES NOMINAL |  | SMALLEST INSIDE DIAMETER | 0.570 INCHES NOMINAL |  | NOMINAL TUBE OUTSIDE DIAMETER | 0.500 INCHES |  | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY SPECIAL FEATURES |  | SPEC/STD CONTROLLING DATA |  |  | MANUFACTURERS CODE | 88044 |  | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN818-8 | 
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